Cistenides Goulditi. 
bright colors. 
vauddy shores from New Jersey northward. 
FAMILY MALDANIDE 
The tubes of these animals are formed 
WORMS 183 
tacles sixteen inches in extent, and branched gills on 
short pedicels on the back. They are common in mud 
at low-water mark from Cape Cod to New Jersey. 
FAMILY AMPHICTENIDE 
Genus Cistenides 
C. Gouldii constructs conical free tubes of grains of 
sand in a single layer; body short and a little curved; 
head obliquely flattened ; two broad groups of golden 
bristles turned upward on each side of the anterior end; 
one to two inches long; color light red or flesh- 
color, mottled with red or blue. Thisis a common worm, 
and its horn-shaped tubes are so plentiful as to attract 
attention on sandy shores. They willrepay examination 
with a glass, so beautifully are they built. The worm 
has bunches of golden bristles arranged in two rows 
close to the flattened anterior end, which make a kind 
of operculum to the tube. 
This feature makes the spe- 
cies easy to identify. The 
worm is transparent; the 
internal organs showing 
through give it the various 
It is found on sandy and 
of sand, a short portion projecting, and 
are very abundant in certain places. 
There is a horny plate on the upper 
surface of the head, and the skin on the 
sides of the head is raised in folds. 
There is a funnel-like process at the 
posterior extremity; gills are lacking. 
Some of the segments in the middle of 
the body are longer than the rest. 
Genus Clymenetla 
C. torquata. Body long, composed of 
twenty-two segments; the fifth segment has 
a collar-like fold; the caudal extremity is ¢, 
Clymenella torquata, 
a, head and extended proboscis, 
ont view; b, posterior end; ¢, en- 
funnel-shaped and edged with papille ; both tire animal, side view, naturel size. 
